Dung Huynh dunghuynh

Copy the following into a file (which I named "xterm-256color.terminfo.txt")

xterm-256color|xterm with 256 colors and italic,
  sitm=\E[3m, ritm=\E[23m,
  use=xterm-256color,

Next execute the following comand:

To find out the source ip of SIP forwarding: Start a dummy sip server (on Digital Ocean):

nc -l -u -v 5060

Then choose to forward the sip to sip@do-server-ip When the SIP forward the package, in the console log there will be its details being dumped

Restore db

pg_restore --verbose --clean --no-acl --no-owner -h 127.0.0.1 -d db_name ~/Downloads/2017-06-14-15h-12m-49s.dump

Search for a string in all commits

git log -S <whatever> --source --all

Create patches

git format-patch <sha>
git format-patch -1 <sha>

Delete all container

sudo docker ps -a -q | xargs -n 1 -I {} sudo docker rm {}

Remove dangling images

docker rmi $(docker images -q --filter "dangling=true")

Remove stopped containers

Remove all gems

bundle list | ruby -e 'ARGF.readlines[1..-1].each {|l| g = l.split(" ");  puts "Removing #{g[1]}"; `gem uninstall --force #{g[1]} -v #{g[2].gsub(/\(|\)/, "")}`; }'

	#!/usr/bin/env ruby
	# Usage: ./decode_mobile_keypad.rb 44 33 555 555 666
	KEYS = {
	"1" => [], "2" => ['a','b','c'], "3" => ['d','e','f'],
	"4" => ['g','h','i'], "5" => ['j','k','l'], "6" => ['m','n','o'],
	"7" => ['p','q','r','s'], "8" => ['t','u','v'], "9" => ['w','x','y','z']
	}
	ARGV.each do\|a\|
	size = a.size - 1
	print KEYS[a[0]][size]

	# Update, upgrade and install development tools:
	apt-get update
	apt-get -y upgrade
	apt-get -y install build-essential libssl-dev
	apt-get -y install git-core
	apt-get -y install autoconf bison build-essential libssl-dev\
	libyaml-dev libreadline6-dev zlib1g-dev libncurses5-dev libffi-dev libgdbm3 libgdbm-dev

	# Install rbenv
	git clone git://github.com/sstephenson/rbenv.git /usr/local/rbenv

	# Load balancer configuration
	upstream exampleApp {
	# Directs to the process with least number of connections.
	least_conn;

	# One failed response will take a server out of circulation for 20 seconds.
	server 127.0.0.1:10080 fail_timeout=20s;
	#server 127.0.0.1:10081 fail_timeout=20s;
	#server 127.0.0.1:10082 fail_timeout=20s;
	#server 127.0.0.1:10083 fail_timeout=20s;

	# SSL self signed localhost for rails start to finish, no red warnings.

	# 1) Create your private key (any password will do, we remove it below)

	$ openssl genrsa -des3 -out server.orig.key 2048


	# 2) Remove the password

	$ openssl rsa -in server.orig.key -out server.key